Turf Star Regenerating Perennial Ryegrass combines determinate stolons with the color and turf quality of elite perennial ryegrass. It is also resistant to diseases and able to recover from extreme wear. Watch your lawn comes to life quickly and beautifully with high-quality seeds that germinate rapidly and establish seamlessly, even when overseeding on traditional cool-season lawns. Empowered by Barenbrug's RPR Technology which excels in reviving worn-out and thin patches of you lawn without constant reseeding. Germinates in 10 to 14 days.